Berberine is a bright-yellow, intensely bitter alkaloid concentrated in the bark and roots of barberry, goldenseal, and related plants — centuries of use in Chinese and Ayurvedic traditions, and a modern research life built on one genuine mechanism: activating AMPK, the cell's energy sensor. It is not a vitamin, not a mineral, and has no deficiency state. Its nicknames borrowed from blockbuster drugs, and its medication interactions, are the two parts of the story that need telling straight. This guided journey does.
3 quick steps~2 minutesEvidence-awareHealth info, not a diagnosis